Home / 7,716.50-11,574.68-1,873.11

Finding the Fourth Proportional to 7,716.50, 11,574.68 and 1,873.11

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Solution

The fourth proportional to 7,716.50, 11,574.68 and 1,873.11 is: 2,809.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,716.50 : 11,574.68 = 1,873.11 : x
  2. Step 2: Convert to fraction form
    7,716.50/11,574.68 = 1,873.11/x
  3. Step 3: Cross multiply
    7,716.50x = 11,574.68 × 1,873.11
  4. Step 4: Simplify right side
    7,716.50x = 21,680,639.49
  5. Step 5: Solve for x
    x = 21,680,639.49/7,716.50
  6. Step 6: Final answer
    x = 2,809.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.